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Enstatite
Enstatite

Mottramite
Mottramite



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Enstatite
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Mottramite

Enstatite and Mottramite Physical Properties

Physical Properties

Tenacity

Brittle
Brittle

Solubility

-
Soluble

Durability

-
-

Specific Gravity

3.20-3.255.9
1 7.18
👆🏻

Fracture

Uneven, Conchoidal
Sub-Conchoidal

Cleavage

Good/distinct on [210]
None observed

Mohs Hardness

5.53
2 10
👆🏻

Chemical Composition

Mg 2Si 2O 6Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
PbCu(VO4)(OH)

Enstatite and Mottramite Chemical Formula

While comparing Enstatite and Mottramite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Enstatite and Mottramite chemical formula.

  • Chemical formula of Enstatite- Mg 2Si 2O 6Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Mottramite- PbCu(VO4)(OH)

Enstatite and Mottramite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Enstatite and Mottramite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Enstatite and Mottramite Optical Properties during the identification of gemstone. Specific gravity of Enstatite is 5.9 whereas that of Mottramite is 5.9.